package collection;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import  java.util.Random;
public class SortInteger {
    public static void main(String[] args) {
        /*
        Random rd =new Random();
        List<Integer> list = new ArrayList<>();
        for (int i =0;i<10;i++){
            list.add(rd.nextInt(100) );
        }
        System.out.println("list原始数据:"+list);

        Collections.sort(list);
        System.out.println("排序后的顺序:"+list);

        Collections.reverse(list);
        System.out.println("list反转后的数据:"+list);
        System.out.println("第一个元素为:"+list.get(0));*/
        List<String>list=new ArrayList<>();
        list.add("呵呵");
        list.add("呵呵呵呵");
        list.add("呵呵哒");
        System.out.println(list);
        Collections.sort(list);
        System.out.println(list);


    }
}
